}
}
- /**
+ /*
- * Read one frame for lavfi output for ost and encode it.
+ * Get and encode new output from any of the filtergraphs, without causing
+ * activity.
+ *
+ * @return 0 for success, <0 for severe errors
*/
-static int poll_filter(OutputStream *ost)
+static int reap_filters(void)
{
- OutputFile *of = output_files[ost->file_index];
AVFilterBufferRef *picref;
AVFrame *filtered_frame = NULL;
- int frame_size, ret;
-
- if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
- return AVERROR(ENOMEM);
- } else
- avcodec_get_frame_defaults(ost->filtered_frame);
- filtered_frame = ost->filtered_frame;
-
- if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
- !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
- ret = av_buffersink_read_samples(ost->filter->filter, &picref,
- ost->st->codec->frame_size);
- else
- ret = av_buffersink_read(ost->filter->filter, &picref);
-
- if (ret < 0)
- return ret;
-
- avfilter_copy_buf_props(filtered_frame, picref);
- if (picref->pts != AV_NOPTS_VALUE) {
- filtered_frame->pts = av_rescale_q(picref->pts,
- ost->filter->filter->inputs[0]->time_base,
- ost->st->codec->time_base) -
- av_rescale_q(of->start_time,
- AV_TIME_BASE_Q,
- ost->st->codec->time_base);
-
- if (of->start_time && filtered_frame->pts < 0) {
- avfilter_unref_buffer(picref);
- return 0;
- }
- }
-
- switch (ost->filter->filter->inputs[0]->type) {
- case AVMEDIA_TYPE_VIDEO:
- if (!ost->frame_aspect_ratio)
- ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
-
- do_video_out(of->ctx, ost, filtered_frame, &frame_size);
- if (vstats_filename && frame_size)
- do_video_stats(of->ctx, ost, frame_size);
- break;
- case AVMEDIA_TYPE_AUDIO:
- do_audio_out(of->ctx, ost, filtered_frame);
- break;
- default:
- // TODO support subtitle filters
- av_assert0(0);
- }
-
- avfilter_unref_buffer(picref);
-
- return 0;
-}
-
-/*
- * Read as many frames from possible from lavfi and encode them.
- *
- * Always read from the active stream with the lowest timestamp. If no frames
- * are available for it then return EAGAIN and wait for more input. This way we
- * can use lavfi sources that generate unlimited amount of frames without memory
- * usage exploding.
- */
-static int poll_filters(void)
-{
- int i, j, ret = 0;
-
- while (ret >= 0 && !received_sigterm) {
- OutputStream *ost = NULL;
- int64_t min_pts = INT64_MAX;
+ int i;
+ int64_t frame_pts;
- /* choose output stream with the lowest timestamp */
- for (i = 0; i < nb_output_streams; i++) {
- int64_t pts = output_streams[i]->sync_opts;
+ /* Reap all buffers present in the buffer sinks */
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+ OutputFile *of = output_files[ost->file_index];
+ int ret = 0;
- if (!output_streams[i]->filter || output_streams[i]->finished)
- continue;
+ if (!ost->filter)
+ continue;
- pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
- AV_TIME_BASE_Q);
- if (pts < min_pts) {
- min_pts = pts;
- ost = output_streams[i];
+ if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
+ return AVERROR(ENOMEM);
+ } else
+ avcodec_get_frame_defaults(ost->filtered_frame);
+ filtered_frame = ost->filtered_frame;
+
+ while (1) {
+ ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
+ AV_BUFFERSINK_FLAG_NO_REQUEST);
+ if (ret < 0) {
+ if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
+ char buf[256];
+ av_strerror(ret, buf, sizeof(buf));
+ av_log(NULL, AV_LOG_WARNING,
+ "Error in av_buffersink_get_buffer_ref(): %s\n", buf);
+ }
+ break;
}
- }
-
- if (!ost)
- break;
-
- ret = poll_filter(ost);
+ frame_pts = AV_NOPTS_VALUE;
+ if (picref->pts != AV_NOPTS_VALUE) {
+ filtered_frame->pts = frame_pts = av_rescale_q(picref->pts,
+ ost->filter->filter->inputs[0]->time_base,
+ ost->st->codec->time_base) -
+ av_rescale_q(of->start_time,
+ AV_TIME_BASE_Q,
+ ost->st->codec->time_base);
+
+ if (of->start_time && filtered_frame->pts < 0) {
+ avfilter_unref_buffer(picref);
+ continue;
+ }
+ }
+ //if (ost->source_index >= 0)
+ // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
- if (ret == AVERROR_EOF) {
- OutputFile *of = output_files[ost->file_index];
- ost->finished = 1;
+ switch (ost->filter->filter->inputs[0]->type) {
+ case AVMEDIA_TYPE_VIDEO:
+ avfilter_copy_buf_props(filtered_frame, picref);
+ filtered_frame->pts = frame_pts;
+ if (!ost->frame_aspect_ratio)
+ ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
- if (of->shortest) {
- for (j = 0; j < of->ctx->nb_streams; j++)
- output_streams[of->ost_index + j]->finished = 1;
+ do_video_out(of->ctx, ost, filtered_frame);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ avfilter_copy_buf_props(filtered_frame, picref);
+ filtered_frame->pts = frame_pts;
+ do_audio_out(of->ctx, ost, filtered_frame);
+ break;
+ default:
+ // TODO support subtitle filters
+ av_assert0(0);
}
- ret = 0;
- } else if (ret == AVERROR(EAGAIN))
- return 0;
+ avfilter_unref_buffer(picref);
+ }
}
- return ret;
+ return 0;
}
-static void print_report(int is_last_report, int64_t timer_start)
+static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
{
char buf[1024];
+ AVBPrint buf_script;
OutputStream *ost;
AVFormatContext *oc;
int64_t total_size;
int i;
for (i = 0; i < nb_input_files; i++)
input_files[i]->eagain = 0;
+ for (i = 0; i < nb_output_streams; i++)
+ output_streams[i]->unavailable = 0;
}
- /**
- * @return
+ /*
- * Read one packet from an input file and send it for
- * - decoding -> lavfi (audio/video)
- * - decoding -> encoding -> muxing (subtitles)
- * - muxing (streamcopy)
- *
+ * Return
* - 0 -- one packet was read and processed
* - AVERROR(EAGAIN) -- no packets were available for selected file,
* this function should be called again
int stream_index;
int sync_file_index;
int sync_stream_index;
- char *linklabel; /** name of an output link, for mapping lavfi outputs */
+ char *linklabel; /* name of an output link, for mapping lavfi outputs */
} StreamMap;
-/* select an input file for an output file */
-typedef struct MetadataMap {
- int file; // file index
- char type; // type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
- int index; // stream/chapter/program number
-} MetadataMap;
+typedef struct {
+ int file_idx, stream_idx, channel_idx; // input
+ int ofile_idx, ostream_idx; // output
+} AudioChannelMap;
typedef struct OptionsContext {
/* input/output options */
#include "libavutil/audioconvert.h"
#include "libavutil/avassert.h"
+#include "libavutil/avstring.h"
+#include "libavutil/bprint.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
+#include "libavutil/imgutils.h"
#include "libavutil/samplefmt.h"
- /**
- * Define a function for building a string containing a list of
- * allowed formats,
- */
+enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodec *codec, enum AVPixelFormat target)
+{
+ if (codec && codec->pix_fmts) {
+ const enum AVPixelFormat *p = codec->pix_fmts;
+ int has_alpha= av_pix_fmt_descriptors[target].nb_components % 2 == 0;
+ enum AVPixelFormat best= AV_PIX_FMT_NONE;
+ if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
+ if (st->codec->codec_id == AV_CODEC_ID_MJPEG) {
+ p = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE };
+ } else if (st->codec->codec_id == AV_CODEC_ID_LJPEG) {
+ p = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_BGRA, AV_PIX_FMT_NONE };
+ }
+ }
+ for (; *p != AV_PIX_FMT_NONE; p++) {
+ best= avcodec_find_best_pix_fmt_of_2(best, *p, target, has_alpha, NULL);
+ if (*p == target)
+ break;
+ }
+ if (*p == AV_PIX_FMT_NONE) {
+ if (target != AV_PIX_FMT_NONE)
+ av_log(NULL, AV_LOG_WARNING,
+ "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
+ av_pix_fmt_descriptors[target].name,
+ codec->name,
+ av_pix_fmt_descriptors[best].name);
+ return best;
+ }
+ }
+ return target;
+}
+
+void choose_sample_fmt(AVStream *st, AVCodec *codec)
+{
+ if (codec && codec->sample_fmts) {
+ const enum AVSampleFormat *p = codec->sample_fmts;
+ for (; *p != -1; p++) {
+ if (*p == st->codec->sample_fmt)
+ break;
+ }
+ if (*p == -1) {
+ if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
+ av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
+ if(av_get_sample_fmt_name(st->codec->sample_fmt))
+ av_log(NULL, AV_LOG_WARNING,
+ "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
+ av_get_sample_fmt_name(st->codec->sample_fmt),
+ codec->name,
+ av_get_sample_fmt_name(codec->sample_fmts[0]));
+ st->codec->sample_fmt = codec->sample_fmts[0];
+ }
+ }
+}
+
+static char *choose_pix_fmts(OutputStream *ost)
+{
+ if (ost->keep_pix_fmt) {
+ if (ost->filter)
+ avfilter_graph_set_auto_convert(ost->filter->graph->graph,
+ AVFILTER_AUTO_CONVERT_NONE);
+ if (ost->st->codec->pix_fmt == AV_PIX_FMT_NONE)
+ return NULL;
+ return av_strdup(av_get_pix_fmt_name(ost->st->codec->pix_fmt));
+ }
+ if (ost->st->codec->pix_fmt != AV_PIX_FMT_NONE) {
+ return av_strdup(av_get_pix_fmt_name(choose_pixel_fmt(ost->st, ost->enc, ost->st->codec->pix_fmt)));
+ } else if (ost->enc && ost->enc->pix_fmts) {
+ const enum AVPixelFormat *p;
+ AVIOContext *s = NULL;
+ uint8_t *ret;
+ int len;
+
+ if (avio_open_dyn_buf(&s) < 0)
+ exit(1);
+
+ p = ost->enc->pix_fmts;
+ if (ost->st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
+ if (ost->st->codec->codec_id == AV_CODEC_ID_MJPEG) {
+ p = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE };
+ } else if (ost->st->codec->codec_id == AV_CODEC_ID_LJPEG) {
+ p = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_BGRA, AV_PIX_FMT_NONE };
+ }
+ }
+
+ for (; *p != AV_PIX_FMT_NONE; p++) {
+ const char *name = av_get_pix_fmt_name(*p);
+ avio_printf(s, "%s:", name);
+ }
+ len = avio_close_dyn_buf(s, &ret);
+ ret[len - 1] = 0;
+ return ret;
+ } else
+ return NULL;
+}
+
+ /* Define a function for building a string containing a list of
+ * allowed formats. */
#define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name, separator)\
static char *choose_ ## var ## s(OutputStream *ost) \
{ \
return 0;
}
+static int opt_map_channel(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ int n;
+ AVStream *st;
+ AudioChannelMap *m;
+
+ o->audio_channel_maps =
+ grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
+ &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
+ m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
+
+ /* muted channel syntax */
+ n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
+ if ((n == 1 || n == 3) && m->channel_idx == -1) {
+ m->file_idx = m->stream_idx = -1;
+ if (n == 1)
+ m->ofile_idx = m->ostream_idx = -1;
+ return 0;
+ }
+
+ /* normal syntax */
+ n = sscanf(arg, "%d.%d.%d:%d.%d",
+ &m->file_idx, &m->stream_idx, &m->channel_idx,
+ &m->ofile_idx, &m->ostream_idx);
+
+ if (n != 3 && n != 5) {
+ av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
+ "[file.stream.channel|-1][:syncfile:syncstream]\n");
+ exit(1);
+ }
+
+ if (n != 5) // only file.stream.channel specified
+ m->ofile_idx = m->ostream_idx = -1;
+
+ /* check input */
+ if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
+ av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
+ m->file_idx);
+ exit(1);
+ }
+ if (m->stream_idx < 0 ||
+ m->stream_idx >= input_files[m->file_idx]->nb_streams) {
+ av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
+ m->file_idx, m->stream_idx);
+ exit(1);
+ }
+ st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
+ if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
+ av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
+ m->file_idx, m->stream_idx);
+ exit(1);
+ }
+ if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
+ av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
+ m->file_idx, m->stream_idx, m->channel_idx);
+ exit(1);
+ }
+ return 0;
+}
+
/**
- * Parse a metadata specifier in arg.
+ * Parse a metadata specifier passed as 'arg' parameter.
* @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
* @param index for type c/p, chapter/program index is written here
* @param stream_spec for type s, the stream specifier is written here
#define SUBPICTURE_QUEUE_SIZE 4
typedef struct VideoPicture {
- double pts; ///< presentation time stamp for this picture
- int64_t pos; ///< byte position in file
+ double pts; // presentation timestamp for this picture
- double target_clock; // av_gettime() time at which this should be displayed ideally
+ int64_t pos; // byte position in file
+ int skip;
SDL_Overlay *bmp;
int width, height; /* source height & width */
+ AVRational sample_aspect_ratio;
int allocated;
int reallocate;
- enum AVPixelFormat pix_fmt;
#if CONFIG_AVFILTER
AVFilterBufferRef *picref;
double frame_timer;
double frame_last_pts;
- double frame_last_delay;
+ double frame_last_duration;
+ double frame_last_dropped_pts;
+ double frame_last_returned_time;
+ double frame_last_filter_delay;
+ int64_t frame_last_dropped_pos;
- double video_clock; ///< pts of last decoded frame / predicted pts of next decoded frame
+ double video_clock; // pts of last decoded frame / predicted pts of next decoded frame
int video_stream;
AVStream *video_st;
PacketQueue videoq;
struct SwsContext *img_convert_ctx;
#endif
- // QETimer *video_timer;
char filename[1024];
int width, height, xleft, ytop;
-
- PtsCorrectionContext pts_ctx;
+ int step;
#if CONFIG_AVFILTER
- AVFilterContext *in_video_filter; ///< the first filter in the video chain
- AVFilterContext *out_video_filter; ///< the last filter in the video chain
+ AVFilterContext *in_video_filter; // the first filter in the video chain
+ AVFilterContext *out_video_filter; // the last filter in the video chain
int use_dr1;
FrameBuffer *buffer_pool;
#endif
projects / ffmpeg / commitdiff